<template>
  <div>
    <h3>用户列表</h3>
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/Home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <el-card class="box-card">
      <!-- 搜索与添加 -->
      <div style="margin-top: 15px;">
        <el-row :gutter=20>
          <!-- col代表列 -->
          <el-col :span="7">
            <el-input
              placeholder="请输入内容"
              v-model="queryInfo.query"
              clearable
              @clear="getUserList"
            >
              <el-button
                slot="append"
                icon="el-icon-search"
                @click="getUserList"
              ></el-button>
            </el-input>
          </el-col>
          <!-- 第二列放置添加按钮 -->
          <el-col :span="7">
            <el-button
              type="primary"
              @click="addDialogVisible = true"
            >添加用户</el-button>
          </el-col>
        </el-row>
        <!-- 用户列表区域 -->
        <el-table
          :data="userlist"
          border
          stripe
        >
          <el-table-column type="index"></el-table-column>
          <el-table-column
            label="姓名"
            prop="username"
          ></el-table-column>
          <el-table-column
            label="邮箱"
            prop="email"
          ></el-table-column>
          <el-table-column
            label="电话"
            prop="mobile"
          ></el-table-column>
          <el-table-column
            label="角色"
            prop="role_name"
          ></el-table-column>
          <el-table-column
            label="状态"
            prop="mg_state"
          >
            <template slot-scope="scope">
              <el-switch
                v-model="scope.row.mg_state"
                active-color="#13ce66"
                inactive-color="#ff4949"
                @change="userStateChanged(scope.row)"
              >
              </el-switch>
            </template>
          </el-table-column>
          <el-table-column label="操作">
            <template slot-scope="scope">
              <el-button
                type="primary"
                icon="el-icon-edit"
                size="mini"
                @click="showEditDialog(scope.row.id)"
              ></el-button>
              <el-button
                type="danger"
                icon="el-icon-delete"
                size="mini"
                @click="removeUserById(scope.row.id)"
              ></el-button>
              <el-tooltip
                class="item"
                effect="dark"
                content="修改角色"
                placement="top"
                :enterable="false"
              >
                <el-button
                  type="warning"
                  icon="el-icon-setting"
                  size="mini"
                  Toolip
                ></el-button>
              </el-tooltip>
            </template>
          </el-table-column>
        </el-table>
      </div>
      <!-- 搜索与添加结束 -->
      <!-- 分页区域 -->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[10, 20, 50, 100]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>

    <!-- 弹窗区域 -->
    <el-dialog
      title="添加用户"
      :visible.sync="addDialogVisible"
      width="50%"
      @close="addDialogClosed"
    >
      <!-- 内容主题区域 -->
      <el-form
        :model="addForm"
        :rules="addFormRules"
        ref="addFormRef"
        label-width="100px"
      >
        <el-form-item
          label="用户名"
          prop="username"
        >
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item
          label="密码"
          prop="password"
        >
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item
          label="邮箱"
          prop="email"
        >
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item
          label="手机"
          prop="mobile"
        >
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span
        slot="footer"
        class="dialog-footer"
      >
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button
          type="primary"
          @click="addUser"
        >确 定</el-button>
      </span>
    </el-dialog>
    <!-- 修改用户弹窗区域 -->
    <el-dialog
      title="修改用户"
      :visible.sync="editDialogVisible"
      width="50%"
    >
      <!-- 内容主题区域 -->
      <el-form
        :model="editForm"
        :rules="addFormRules"
        ref="editFormRef"
        label-width="100px"
        @click="showEditDialog"
        @close="editDialogClose"
      >
        <el-form-item label="用户名">
          <el-input
            v-model="editForm.username"
            disabled
          ></el-input>
        </el-form-item>
        <el-form-item
          label="邮箱"
          prop="email"
        >
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item
          label="手机"
          prop="mobile"
        >
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span
        slot="footer"
        class="dialog-footer"
      >
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button
          type="primary"
          @click="editUser"
        >确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data () {
    // 验证邮箱的规则
    var checkEmail = (rule, value, cb) => {
      // 验证邮箱的正则表达式
      const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/

      if (regEmail.test(value)) {
        // 合法的邮箱
        return cb()
      }

      cb(new Error('请输入合法的邮箱'))
    }

    // 验证手机号的规则
    var checkMobile = (rule, value, cb) => {
      // 验证手机号的正则表达式
      const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/

      if (regMobile.test(value)) {
        return cb()
      }

      cb(new Error('请输入合法的手机号'))
    }
    return {
      // 获取用户列表要用的参数
      queryInfo: {
        query: '',
        // 当前的页数
        pagenum: 1,
        // 当前每页显示的数据
        pagesize: 10
      },
      editDialogVisible: false,
      editForm: {},
      userlist: [],
      total: 0,
      addDialogVisible: false,
      addForm: {
        username: '',
        password: '',
        mobile: '',
        email: ''
      },
      addFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          {
            min: 3,
            max: 10,
            message: '用户名的长度在3~10个字符之间',
            trigger: 'blur'
          }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          {
            min: 6,
            max: 15,
            message: '用户名的长度在6~15个字符之间',
            trigger: 'blur'
          }
        ],
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入手机号', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      }
    }
  },
  created () {
    this.getUserList()
  },
  methods: {
    async getUserList () {
      const { data: res } = await this.$http.get('users', {
        params: this.queryInfo
      })
      // console.log(res)
      if (res.meta.status !== 200) return this.$message.error('获取用户数据失败')
      this.userlist = res.data.users
      this.total = res.data.total
    },
    addDialogClosed () {
      this.$refs.addFormRef.resetFields()
    },
    editDialogClose () {
      this.$refs.editFormRef.resetFields()
    },
    // 监听 pagesize 改变的事件
    handleSizeChange (newSize) {
      // console.log(newSize)
      this.queryInfo.pagesize = newSize
      this.getUserList()
    },
    // 监听 页码值 改变的事件
    handleCurrentChange (newPage) {
      // console.log(newPage)
      this.queryInfo.pagenum = newPage
      this.getUserList()
    },
    async userStateChanged (userinfo) {
      // console.log(userinfo)
      const { data: res } = await this.$http.put(
        `users/${userinfo.id}/state/${userinfo.mg_state}`
      )
      console.log(res)
      if (res.meta.status !== 200) {
        userinfo.mg_state = !userinfo.mg_state
        return this.$message.error('更新用户状态失败！')
      }
      return this.$message.success('更新用户状态成功！')
    },
    addUser () {
      this.$refs.addFormRef.validate(async valid => {
        if (!valid) return
        const { data: res } = await this.$http.post('users', this.addForm)

        if (res.meta.status !== 201) {
          this.$message.error('添加用户数据失败')
        }
        this.$message.success('添加成功，恭喜获得新成员')
        this.addDialogVisible = false
        this.getUserList()
      })
    },
    // 展示编辑用户的对话框
    async showEditDialog (id) {
      const { data: res } = await this.$http.get('users/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('获取用户数据失败')
      }
      this.editForm = res.data
      this.editDialogVisible = true
    },
    editUser () {
      this.$refs.editFormRef.validate(async valid => {
        console.log(valid)
        if (!valid) return
        // 发起修改请求
        const { data: res } = await this.$http.put(
          'users/' + this.editForm.id,
          {
            email: this.editForm.email,
            mobile: this.editForm.mobile
          }
        )
        if (res.meta.status !== 200) {
          return this.$message.error('修改失败')
        }
        this.editDialogVisible = false
        this.$message.success('成功，修改完成')
        this.getUserList()
      })
    },
    async removeUserById  (id) {
      // 先弹框询问
      await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      })
        .then((res) => {
          this.$message({
            type: 'success',
            message: '删除成功!'
          })
          console.log(res)
        })
        .catch((res) => {
          this.$message({
            type: 'info',
            message: '已取消删除'
          })
          console.log(res)
        })
      const { data: res } = await this.$http.delete('users/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('删除失败咯')
      }
      this.$message.success('ok了家人们')
      this.getUserList()
    }
  }
}
</script>

<style lang="less" scoped>
</style>
